<template>
	<view class="login-container">
		<!-- 提示登录图标 -->
		<uni-icons type="contact-filled" size="100" color="#afafaf"></uni-icons>
		<!-- 登录按钮 -->
		<button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
		<!-- 登录提示 -->
		<view class="tips-text">登录后尽享更多权益</view>
	</view>
</template>

<script>
	import {
		mapMutations,
		mapState
	} from 'vuex'

	export default {
		name: "my-login",
		data() {
			return {

			};
		},
		computed: {
			...mapState('m_user', ['redirectInfo']),
		},
		methods: {
			...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),

			//用户授权之后 获取用户的基本信息
			getUserProfile() {
				uni.getUserProfile({
					desc: '请求授权',
					success: (res) => {
						console.log(res);
						this.updateUserInfo(res.userInfo)
						this.getToken(res.userInfo)
					},
					fail: (res) => {
						return uni.$showMsg('已取消授权')
					}
				})
			},
			async getToken(info) {
				// 调用微信登录接口
				const [err, res] = await uni.login().catch(err => err)
				// console.log(err);
				// if (err || res.errMsg !== 'login:ok') return uni.$showError('登录失败！')
				if (res.errMsg !== 'login:ok') return uni.$showError('登录失败！')
				const query = {
					codeID: res.codeID,
					encryptedData: info.encryptedData,
					iv: info.iv,
					rawData: info.rawData,
					signature: info.signature
				}
				const {
					data: loginResult
				} = await uni.$http.post('/api/public/v1/users/wxlogin', query)
				console.log(loginResult.meta.status);
				if (loginResult.meta.status !== 400) return uni.$showMsg('登录失败！')

				//直接把token保存包vuex中
				this.updateToken(
						"Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo"
					),
					this.navigateBack()
			},
			navigateBack() {
				if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
					uni.switchTab({
						url: this.redirectInfo.from,

						complete: () => {
							this.updateRedirectInfo(null)
						}
					})
				}
			}

		}

	}
</script>

<style lang="scss">
	.login-container {
		// 登录盒子的样式
		height: 750rpx;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		background-color: #f8f8f8;
		position: relative;
		overflow: hidden;

		// 绘制登录盒子底部的半椭圆造型
		&::after {
			content: ' ';
			display: block;
			position: absolute;
			width: 100%;
			height: 40px;
			left: 0;
			bottom: 0;
			background-color: white;
			border-radius: 100%;
			transform: translateY(50%);
		}

		// 登录按钮的样式
		.btn-login {
			width: 90%;
			border-radius: 100px;
			margin: 15px 0;
			background-color: #c00000;
		}

		// 按钮下方提示消息的样式
		.tips-text {
			font-size: 12px;
			color: gray;
		}
	}
</style>